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631403 — RETAINER,BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

631403: RETAINER,BEARING.

The RETAINER,BEARING is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: MALLEABLE IRON,1.875 IN. LG,FLANGED ONE END,5.000 IN.

OD,0.375 IN. THK FLANGE IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-693-0568, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
631403
NSN: 3110-00-693-0568
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 23705 — FRUEHAUF CORP (USA)
SPECIFICATIONS
general_characteristics_item_descriptionMALLEABLE IRON,1.875 IN. LG,FLANGED ONE END,5.000 IN. OD,0.375 IN. THK FLANGE IN
NSN3110-00-693-0568
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 631403 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MALLEABLE IRON,1.875 IN. LG,FLANGED ONE END,5.000 IN. OD,0.375 IN. THK FLANGE IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMALLEABLE IRON,1.875 IN. LG,FLANGED ONE END,5.000 IN. OD,0.375 IN. THK FLANGE IN
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 631403?
631403 is a RETAINER,BEARING.
What is the NSN for 631403?
631403 is cataloged in the U.S. Government catalog under NSN 3110-00-693-0568. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.